● Trülzsch K,Grabein B,Schumann P,Mellmann A,Antonenka U,Heesemann J,Becker K (2007). Staphylococcus pettenkoferi sp. nov., a novel coagulase-negative staphylococcal species isolated from human clinical specimens. Int. J. Syst. Evol. Microbiol.57, 1543-8.